Most readers of this journal have heard of biochar. It is hard not to, if you are an informed citizen concerned about contemporary issues. Biochar use has been heralded as a breakthrough development in soil health, crop production, carbon sequestration, environmental cleanup and pollution control, among other positive social purposes. Sales of the product have been tripling every year since 2008 and powerful players on the world stage, including China, have been studying its potential for solving varied growing problems.
We thought it might be time to take a closer look at biochar, especially its applicability to agricultural soils and enabling them to provide more and healthier food.